Roller way chain tension device

The utility model relates to a roller way chain tension device, and belongs to the technical field of metal continuous steel casting. The roller way chain tension device comprises a sliding frame, a slider is arranged on a vertical sliding rail of the sliding frame, a groove is arranged on the slider, a sliding shaft is arranged in the groove, a tension wheel is movably sleeved on the sliding shaft, a hole is longitudinally arranged on the slider, a lead screw is arranged in the hole and penetrates through a steel plate arranged on a roller way beam, and a lead screw nut is arranged on the lead screw. The tension device is fixed onto the roller way beam through bolts, basic fixing needed by a traditional tension device is omitted, occupied space is saved, and the roller way chain tension device is simple in structure, convenient to adjust and suitable for tensioning roller ways in continuous casting devices.